:root {
    --bg: #0a0a0c;
    --bg-card: #131318;
    --bg-card-hover: #1a1a22;
    --accent: #f97316;
    --accent-dim: #f9731622;
    --accent-glow: #f9731644;
    --green: #22c55e;
    --green-dim: #22c55e22;
    --red: #ef4444;
    --red-dim: #ef444422;
    --yellow: #eab308;
    --yellow-dim: #eab30822;
    --blue: #3b82f6;
    --blue-dim: #3b82f622;
    --purple: #a855f7;
    --purple-dim: #a855f722;
    --text: #e4e4e7;
    --text-dim: #71717a;
    --text-muted: #52525b;
    --border: #27272a;
    --border-light: #3f3f46;
  }
  /* Scoped reset: only resets elements INSIDE the plugin wrapper so the
     theme's own header, footer, sidebars are not affected. */
  .nfb-blueprint,
  .nfb-blueprint *,
  .nfb-blueprint *::before,
  .nfb-blueprint *::after { margin: 0; padding: 0; box-sizing: border-box; }

  html { scroll-behavior: smooth; scroll-padding-top: 80px; }

  /* The plugin wrapper. Positioning (full-bleed) is handled by inline JS
     after measuring the natural in-flow position. We avoid CSS-based
     positioning here because !important rules interfere with the JS
     reset → measure → apply cycle. */
  .nfb-blueprint {
    font-family: 'DM Sans', sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
    font-size: 15px;
    -webkit-font-smoothing: antialiased;
    box-sizing: border-box;
  }
  /* Re-assert text color for any element the theme tries to style. */
  .nfb-blueprint p,
  .nfb-blueprint h1,
  .nfb-blueprint h2,
  .nfb-blueprint h3,
  .nfb-blueprint h4,
  .nfb-blueprint h5,
  .nfb-blueprint h6,
  .nfb-blueprint li,
  .nfb-blueprint td,
  .nfb-blueprint th,
  .nfb-blueprint span,
  .nfb-blueprint div,
  .nfb-blueprint em,
  .nfb-blueprint a { color: inherit; }

  /* ─── HERO ─── */
  .nfb-blueprint .hero {
    min-height: 100vh;
    display: flex; flex-direction: column; justify-content: center; align-items: center;
    text-align: center; padding: 2rem; position: relative; overflow: hidden;
  }
  .nfb-blueprint .hero::before {
    content: ''; position: absolute; top: -50%; left: -50%; width: 200%; height: 200%;
    background: radial-gradient(ellipse at 60% 40%, var(--accent-glow) 0%, transparent 50%),
                radial-gradient(ellipse at 30% 70%, #3b82f622 0%, transparent 50%);
    animation: heroGlow 8s ease-in-out infinite alternate;
  }
  @keyframes heroGlow { 0%{transform:translate(0,0) scale(1)} 100%{transform:translate(-30px,20px) scale(1.05)} }
  .nfb-blueprint .hero-content { position: relative; z-index: 1; }
  .nfb-blueprint .hero-tag {
    font-family: 'JetBrains Mono', monospace; font-size: 0.75rem; letter-spacing: 3px;
    text-transform: uppercase; color: var(--accent); margin-bottom: 1.5rem;
    opacity: 0; animation: fadeUp 0.8s 0.2s forwards;
  }
  .nfb-blueprint .hero h1 {
    font-family: 'Bebas Neue', sans-serif; font-size: clamp(3.5rem, 10vw, 8rem);
    letter-spacing: 4px; line-height: 0.95; color: #fff;
    opacity: 0; animation: fadeUp 0.8s 0.4s forwards;
  }
  .nfb-blueprint .hero h1 span { color: var(--accent); }
  .nfb-blueprint .hero-sub {
    font-size: 1.1rem; color: var(--text-dim); margin-top: 1.5rem; max-width: 500px;
    opacity: 0; animation: fadeUp 0.8s 0.6s forwards;
  }
  .nfb-blueprint .hero-stats {
    display: flex; gap: 2rem; margin-top: 3rem; flex-wrap: wrap; justify-content: center;
    opacity: 0; animation: fadeUp 0.8s 0.8s forwards;
  }
  .nfb-blueprint .hero-stat { text-align: center; }
  .nfb-blueprint .hero-stat-val { font-family: 'Bebas Neue', sans-serif; font-size: 2.2rem; color: #fff; }
  .nfb-blueprint .hero-stat-label { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 2px; color: var(--text-muted); }
  .nfb-blueprint .scroll-cue {
    position: absolute; bottom: 2rem; left: 50%; transform: translateX(-50%);
    display: flex; flex-direction: column; align-items: center; gap: 0.5rem;
    color: var(--text-muted); font-size: 0.7rem; letter-spacing: 2px;
    text-transform: uppercase; animation: bounce 2s infinite;
  }
  @keyframes bounce { 0%,100%{transform:translateX(-50%) translateY(0)} 50%{transform:translateX(-50%) translateY(8px)} }
  @keyframes fadeUp { from{opacity:0;transform:translateY(20px)} to{opacity:1;transform:translateY(0)} }

  /* ─── NAV ─── */
  .nfb-blueprint .nav {
    position: sticky; top: 0; z-index: 100; background: #0a0a0cee;
    backdrop-filter: blur(20px); border-bottom: 1px solid var(--border);
    overflow-x: auto; scrollbar-width: none;
  }
  .nfb-blueprint .nav::-webkit-scrollbar { display: none; }
  .nfb-blueprint .nav-inner {
    max-width: 1200px !important;
    width: auto !important;
    margin-left: auto !important;
    margin-right: auto !important;
    display: flex !important;
    padding: 0 1rem !important;
    float: none !important;
  }
  .nfb-blueprint .nav a {
    color: var(--text-muted); text-decoration: none; font-size: 0.72rem; font-weight: 500;
    letter-spacing: 1.5px; text-transform: uppercase; padding: 1rem;
    white-space: nowrap; border-bottom: 2px solid transparent; transition: all 0.3s;
  }
  .nfb-blueprint .nav a:hover,
  .nfb-blueprint .nav a.active { color: var(--accent); border-bottom-color: var(--accent); }

  .nfb-blueprint .main {
    max-width: 920px !important;
    width: auto !important;
    margin-left: auto !important;
    margin-right: auto !important;
    padding: 0 1.5rem 4rem !important;
    float: none !important;
  }

  /* ─── SECTIONS ─── */
  .nfb-blueprint .section { margin-top: 4rem; padding-top: 2rem; }
  .nfb-blueprint .section-num {
    font-family: 'JetBrains Mono', monospace; font-size: 0.7rem; color: var(--accent);
    letter-spacing: 3px; text-transform: uppercase; margin-bottom: 0.5rem;
  }
  .nfb-blueprint .section-title {
    font-family: 'Bebas Neue', sans-serif; font-size: 2.6rem; letter-spacing: 2px;
    color: #fff; line-height: 1.1; margin-bottom: 0.5rem;
  }
  .nfb-blueprint .section-subtitle {
    color: var(--text-dim); font-size: 0.95rem; margin-bottom: 2rem;
    padding-bottom: 2rem; border-bottom: 1px solid var(--border);
  }

  /* ─── PROFILE GRID ─── */
  .nfb-blueprint .profile-grid {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 1px; background: var(--border); border-radius: 12px; overflow: hidden; margin: 1.5rem 0;
  }
  .nfb-blueprint .profile-item { background: var(--bg-card); padding: 1.1rem 1.3rem; display: flex; flex-direction: column; gap: 0.25rem; }
  .nfb-blueprint .profile-item:hover { background: var(--bg-card-hover); }
  .nfb-blueprint .profile-label { font-size: 0.68rem; text-transform: uppercase; letter-spacing: 1.5px; color: var(--text-muted); }
  .nfb-blueprint .profile-value { font-size: 1.05rem; font-weight: 600; color: #fff; }
  .nfb-blueprint .profile-value.accent { color: var(--accent); }
  .nfb-blueprint .profile-value.green { color: var(--green); }
  .nfb-blueprint .profile-value.red { color: var(--red); }
  .nfb-blueprint .profile-value.yellow { color: var(--yellow); }

  /* ─── CARDS ─── */
  .nfb-blueprint .card {
    background: var(--bg-card); border: 1px solid var(--border); border-radius: 12px;
    padding: 1.5rem; margin: 1.25rem 0; transition: border-color 0.3s;
  }
  .nfb-blueprint .card:hover { border-color: var(--border-light); }
  .nfb-blueprint .card-header { display: flex; align-items: center; gap: 0.75rem; margin-bottom: 1rem; }
  .nfb-blueprint .card-icon {
    width: 36px; height: 36px; border-radius: 8px; display: flex; align-items: center;
    justify-content: center; font-size: 1.1rem; flex-shrink: 0;
  }
  .nfb-blueprint .card-icon.orange { background: var(--accent-dim); }
  .nfb-blueprint .card-icon.green { background: var(--green-dim); }
  .nfb-blueprint .card-icon.red { background: var(--red-dim); }
  .nfb-blueprint .card-icon.yellow { background: var(--yellow-dim); }
  .nfb-blueprint .card-icon.blue { background: var(--blue-dim); }
  .nfb-blueprint .card-title { font-weight: 700; font-size: 1rem; color: #fff; }

  /* ─── TABLES ─── */
  .nfb-blueprint .table-wrap { overflow-x: auto; margin: 1.25rem 0; border-radius: 10px; border: 1px solid var(--border); }
  .nfb-blueprint table { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
  .nfb-blueprint thead th {
    background: var(--bg-card); color: var(--text-muted); font-size: 0.68rem; font-weight: 600;
    text-transform: uppercase; letter-spacing: 1.5px; padding: 0.85rem 1rem;
    text-align: left; border-bottom: 1px solid var(--border); white-space: nowrap;
  }
  .nfb-blueprint tbody td { padding: 0.75rem 1rem; border-bottom: 1px solid var(--border); vertical-align: top; }
  .nfb-blueprint tbody tr:last-child td { border-bottom: none; }
  .nfb-blueprint tbody tr:hover { background: var(--bg-card-hover); }
  .nfb-blueprint td strong { color: #fff; font-weight: 600; }
  .nfb-blueprint .tag {
    display: inline-block; padding: 0.15rem 0.5rem; border-radius: 4px;
    font-size: 0.72rem; font-weight: 600;
  }
  .nfb-blueprint .tag.green { background: var(--green-dim); color: var(--green); }
  .nfb-blueprint .tag.orange { background: var(--accent-dim); color: var(--accent); }
  .nfb-blueprint .tag.red { background: var(--red-dim); color: var(--red); }
  .nfb-blueprint .tag.blue { background: var(--blue-dim); color: var(--blue); }
  .nfb-blueprint .tag.yellow { background: var(--yellow-dim); color: var(--yellow); }
  .nfb-blueprint .tag.purple { background: var(--purple-dim); color: var(--purple); }

  /* ─── COLLAPSIBLES ─── */
  .nfb-blueprint .collapsible { margin: 1rem 0; border: 1px solid var(--border); border-radius: 10px; overflow: hidden; }
  .nfb-blueprint .collapsible-header {
    background: var(--bg-card); padding: 1rem 1.3rem; cursor: pointer;
    display: flex; justify-content: space-between; align-items: center;
    transition: background 0.3s; user-select: none;
  }
  .nfb-blueprint .collapsible-header:hover { background: var(--bg-card-hover); }
  .nfb-blueprint .collapsible-header h3 { font-size: 0.95rem; font-weight: 600; color: #fff; }
  .nfb-blueprint .collapsible-header .toggle { color: var(--text-muted); font-size: 1.2rem; transition: transform 0.3s; }
  .nfb-blueprint .collapsible.open .toggle { transform: rotate(45deg); }
  .nfb-blueprint .collapsible-body { max-height: 0; overflow: hidden; transition: max-height 0.4s ease; }
  .nfb-blueprint .collapsible.open .collapsible-body { max-height: 50000px; }
  .nfb-blueprint .collapsible-content { padding: 1.3rem; }

  /* ─── LISTS ─── */
  .nfb-blueprint .list { list-style: none; }
  .nfb-blueprint .list li { padding: 0.5rem 0; padding-left: 1.3rem; position: relative; color: var(--text); }
  .nfb-blueprint .list li::before { content: '›'; position: absolute; left: 0; color: var(--accent); font-weight: 700; }
  .nfb-blueprint .list.check li::before { content: '✓'; font-size: 0.8rem; }
  .nfb-blueprint .list.check li { color: var(--green); }
  .nfb-blueprint .list.warn li::before { content: '⚠'; font-size: 0.75rem; }
  .nfb-blueprint .list.warn li { color: var(--yellow); }
  .nfb-blueprint .list.cross li::before { content: '✗'; }
  .nfb-blueprint .list.cross li { color: var(--red); }

  /* ─── CALLOUTS ─── */
  .nfb-blueprint .callout {
    border-left: 3px solid var(--accent); background: var(--accent-dim);
    padding: 1rem 1.3rem; border-radius: 0 8px 8px 0; margin: 1.25rem 0; font-size: 0.9rem;
  }
  .nfb-blueprint .callout.green { border-color: var(--green); background: var(--green-dim); }
  .nfb-blueprint .callout.red { border-color: var(--red); background: var(--red-dim); }
  .nfb-blueprint .callout.yellow { border-color: var(--yellow); background: var(--yellow-dim); }
  .nfb-blueprint .callout strong { color: #fff; }

  /* ─── TIMELINE ─── */
  .nfb-blueprint .timeline { position: relative; padding-left: 2rem; margin: 1.5rem 0; }
  .nfb-blueprint .timeline::before { content:''; position:absolute; left:6px; top:0; bottom:0; width:2px; background:var(--border); }
  .nfb-blueprint .timeline-item { position: relative; margin-bottom: 2rem; }
  .nfb-blueprint .timeline-item::before {
    content:''; position:absolute; left:-2rem; top:6px; width:12px; height:12px;
    border-radius:50%; background:var(--accent); border:2px solid var(--bg); margin-left:1px;
  }
  .nfb-blueprint .timeline-year { font-family:'Bebas Neue',sans-serif; font-size:1.3rem; color:var(--accent); letter-spacing:1px; }
  .nfb-blueprint .timeline-text { color: var(--text-dim); font-size: 0.9rem; margin-top: 0.25rem; }

  /* ═══════ EXERCISE CARDS ═══════ */
  .nfb-blueprint .ex-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 14px;
    margin: 1.5rem 0;
    overflow: hidden;
    transition: border-color 0.3s;
  }
  .nfb-blueprint .ex-card:hover { border-color: var(--border-light); }
  .nfb-blueprint .ex-top {
    display: flex;
    gap: 0;
    flex-wrap: wrap;
  }
  .nfb-blueprint .ex-info {
    flex: 1;
    min-width: 280px;
    padding: 1.3rem 1.5rem;
  }
  .nfb-blueprint .ex-num-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px; height: 28px;
    border-radius: 6px;
    background: var(--accent);
    color: #000;
    font-family: 'Bebas Neue', sans-serif;
    font-size: 1rem;
    letter-spacing: 1px;
    margin-right: 0.5rem;
    vertical-align: middle;
  }
  .nfb-blueprint .ex-name {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 1.5rem;
    letter-spacing: 1.5px;
    color: #fff;
    display: inline;
    vertical-align: middle;
  }
  .nfb-blueprint .ex-prescription {
    display: flex;
    gap: 1.5rem;
    margin-top: 0.75rem;
    flex-wrap: wrap;
  }
  .nfb-blueprint .ex-rx-item {
    display: flex;
    flex-direction: column;
  }
  .nfb-blueprint .ex-rx-label {
    font-size: 0.6rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--text-muted);
  }
  .nfb-blueprint .ex-rx-val {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--accent);
  }
  .nfb-blueprint .ex-muscle-viz {
    width: 180px;
    min-height: 180px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-left: 1px solid var(--border);
    padding: 0.75rem;
    background: #0e0e12;
  }
  .nfb-blueprint .ex-details { padding: 0 1.5rem 1.3rem; }
  .nfb-blueprint .ex-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
  }
  .nfb-blueprint .ex-detail-block h4 {
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--text-muted);
    margin-bottom: 0.4rem;
  }
  .nfb-blueprint .ex-detail-block p { font-size: 0.88rem; margin: 0.2rem 0; }
  .nfb-blueprint .muscle-tag {
    display: inline-block;
    padding: 0.2rem 0.55rem;
    border-radius: 4px;
    font-size: 0.72rem;
    font-weight: 600;
    margin: 0.15rem 0.15rem 0.15rem 0;
  }
  .nfb-blueprint .muscle-tag.primary { background: var(--accent-dim); color: var(--accent); }
  .nfb-blueprint .muscle-tag.secondary { background: var(--blue-dim); color: var(--blue); }
  .nfb-blueprint .ex-impact {
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--border);
  }
  .nfb-blueprint .ex-impact h4 {
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--green);
    margin-bottom: 0.4rem;
  }
  .nfb-blueprint .ex-impact p { font-size: 0.88rem; color: var(--text-dim); margin: 0; }
  .nfb-blueprint .ex-impact strong { color: #fff; }
  .nfb-blueprint .ex-form-cue {
    margin-top: 0.5rem;
    font-size: 0.82rem;
    color: var(--yellow);
    font-style: italic;
  }
  .nfb-blueprint .ex-substitute {
    margin-top: 0.3rem;
    font-size: 0.8rem;
    color: var(--text-muted);
  }
  .nfb-blueprint .ex-substitute strong { color: var(--blue); font-weight: 500; }

  /* ─── SVG muscle maps ─── */
  .nfb-blueprint .muscle-svg { width: 70px; height: 150px; }
  .nfb-blueprint .muscle-svg .body-outline { fill: #1a1a22; stroke: #3f3f46; stroke-width: 0.5; }
  .nfb-blueprint .muscle-svg .m-primary { fill: var(--accent); opacity: 0.85; }
  .nfb-blueprint .muscle-svg .m-secondary { fill: var(--blue); opacity: 0.6; }

  /* ─── START HERE ─── */
  .nfb-blueprint .start-here {
    background: linear-gradient(135deg, #1a120a 0%, #0f0f14 100%);
    border: 2px solid var(--accent); border-radius: 16px; padding: 2.5rem;
    margin: 3rem 0; position: relative; overflow: hidden;
  }
  .nfb-blueprint .start-here::after {
    content:''; position:absolute; top:-50%; right:-50%; width:100%; height:100%;
    background: radial-gradient(circle, var(--accent-glow) 0%, transparent 60%); pointer-events: none;
  }
  .nfb-blueprint .start-here-content { position: relative; z-index: 1; }
  .nfb-blueprint .start-here h2 {
    font-family:'Bebas Neue',sans-serif; font-size:2.2rem; color:var(--accent);
    letter-spacing:3px; margin-bottom:1.5rem;
  }
  .nfb-blueprint .action-step { display:flex; gap:1rem; margin-bottom:1.5rem; align-items:flex-start; }
  .nfb-blueprint .action-num { font-family:'Bebas Neue',sans-serif; font-size:2rem; color:var(--accent); line-height:1; flex-shrink:0; width:40px; }
  .nfb-blueprint .action-body h4 { color:#fff; margin-bottom:0.25rem; font-size:1rem; }
  .nfb-blueprint .action-body p { color:var(--text-dim); font-size:0.9rem; }

  .nfb-blueprint .footer {
    text-align:center; padding:3rem 1.5rem; border-top:1px solid var(--border);
    margin-top:4rem; color:var(--text-muted); font-size:0.8rem;
  }

  .nfb-blueprint h3.sub-heading {
    font-size: 1.05rem; font-weight: 700; color: #fff; margin: 2rem 0 0.75rem;
    padding-bottom: 0.5rem; border-bottom: 1px solid var(--border);
  }
  .nfb-blueprint p { margin: 0.6rem 0; color: var(--text); }
  .nfb-blueprint p.dim { color: var(--text-dim); }

  @media (max-width: 640px) {
    .nfb-blueprint .hero h1 { font-size: 3rem; }
    .nfb-blueprint .section-title { font-size: 2rem; }
    .nfb-blueprint .profile-grid { grid-template-columns: 1fr 1fr; }
    .nfb-blueprint .nav a { padding: 0.8rem 0.7rem; font-size: 0.65rem; }
    .nfb-blueprint .main { padding: 0 1rem 3rem; }
    .nfb-blueprint .ex-muscle-viz { width: 100%; min-height: 120px; border-left: none; border-top: 1px solid var(--border); }
    .nfb-blueprint .ex-detail-grid { grid-template-columns: 1fr; }
    .nfb-blueprint .ex-name { font-size: 1.2rem; }
  }